2 // System.Configuration.TimeSpanMinutesOrInfiniteConverter.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // Permission is hereby granted, free of charge, to any person obtaining
8 // a copy of this software and associated documentation files (the
9 // "Software"), to deal in the Software without restriction, including
10 // without limitation the rights to use, copy, modify, merge, publish,
11 // distribute, sublicense, and/or sell copies of the Software, and to
12 // permit persons to whom the Software is furnished to do so, subject to
13 // the following conditions:
15 // The above copyright notice and this permission notice shall be
16 // included in all copies or substantial portions of the Software.
18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
31 using System.ComponentModel;
32 using System.Globalization;
34 namespace System.Configuration
36 public sealed class TimeSpanMinutesOrInfiniteConverter: TimeSpanMinutesConverter
38 public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
40 if ((string)data == "Infinite")
41 return TimeSpan.MaxValue;
43 return base.ConvertFrom(ctx, ci, data);
46 public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
48 /* don't use "value is TimeSpan" here, since
49 * we want to generate both a NRE on null
50 * value, and ArgumentException on non-null,
51 * but non-TimeSpan. */
52 if (value.GetType () != typeof (TimeSpan))
53 throw new ArgumentException ();
55 if (((TimeSpan)value) == TimeSpan.MaxValue)
58 return base.ConvertTo (ctx, ci, value, type);